Space at the service of our environment : proceedings of the second ERS-1 Symposium, 11-14 October 1993, Hamburg, Germany - Paris : European Space Agency, 1994 - 2 v. - ESA SP ; 361 . - European Space Agency. ESA SP ; 361 . ISBN: 9290922869 Subjects--Topical Terms: Earth resources technology satellites--CongressesArtificial satellites in remote sensing--CongressesEnvironmental policy--Space utilization--Congresses